Mus signals: what they mean and how to use them with your partner

Signals in Mus tell your partner about your cards without words: make them while your partner is looking, and only if the table’s rules allow them. Familiar examples include biting your lower lip for two reyes, raising your eyebrows for duples and winking for thirty-one. Their meanings can vary by region, so agree on the gestures before playing.

What are Mus signals for?

Mus is played in partnerships, but each player knows only their own cards. Signals allow players to share some of that information without showing their cards or saying aloud what they hold. This helps partners assess their combined strength in the different betting rounds.

They are not just tics or a collection of gestures meant to mislead: they form a communication code rooted in the game's tradition. That understanding between partners is one of the features we discuss in our guide to the origins, history and rules of Mus.

However, a signal does not make a hand unbeatable, nor does it necessarily tell your partner what decision to make. It conveys a specific piece of information. Interpreting it properly means taking into account your own cards, the betting round being played and what has happened during the hand.

What are the most common Mus signals?

This table brings together widely recognised gestures, but it is not a universal rulebook. Some terms overlap, and certain movements differ from one table to another.

Precision matters: sticking out the tip of your tongue should not be confused with moving it to one side. Similarly, an involuntary wink can look like a signal for thirty-one. Before starting, go over any gestures that might cause confusion.

What do reyes, pitos, duples and medias mean?

To understand the signals, you first need to know the combinations. Mus is normally played with a forty-card Spanish deck. If you are getting a game ready, you can browse our decks and read about the differences between forty-card and forty-eight-card decks.

• Reyes and aces: in the widely played eight-reyes, eight-aces version, threes count as reyes and twos as aces. Other variants do not use these equivalences.
• Pitos: a common name for aces in Mus.
• Medias: three cards of the same rank, taking into account the equivalences used in the variant.
• Duples: a combination containing two pairs; its signal does not specify which cards make them up.
• Thirty-one: a specific total for juego, calculated using Mus card values.

Three reyes therefore also form medias. The fact that both pieces of information share the mouth-twisting gesture at many tables is not necessarily a contradiction: you need to know which meaning is being used.

When do you make signals, and who can see them?

Make the signal when your partner is looking. If they are not making eye contact with you, the message will not get through. Players usually take advantage of a natural moment of attention, without adding spoken explanations that reveal their cards.

This does not mean you have a guaranteed private channel. Your opponents can also watch and recognise a gesture. If they spot a permitted signal, that information becomes part of what they know about the hand.

Being discreet means making a brief, recognisable movement, not inventing a choreographed routine. Repeating or exaggerating it usually makes it easier for everyone at the table to notice.

Also, not every set of rules allows signals at the same points in the game. The restrictions for your game take precedence, especially in organised play. Check them before assuming that any gesture can be made at any stage.

Can partners agree on their own signals?

Yes, partners can agree on their own gestures in an informal game, if the rules accepted by the table allow that code. They can also clarify how they will make the standard signals to avoid confusion. The important thing is not to mistake an agreement between partners for permission to break the rules.

Some tables use only traditional signals; others allow local or agreed variations. A tournament may have a fixed list of authorised gestures. A code that is acceptable at home is therefore not necessarily acceptable elsewhere.

Before dealing, clarify which signals are allowed, when they can be made and what the more ambiguous ones mean. It is also worth asking about any restrictions on false signals: do not assume they are allowed.

What mistakes should you avoid when interpreting a signal?

• Confusing information with an instruction. A duples signal conveys a combination; it does not require your partner to make a particular decision.
• Assuming a local custom is universal. A gesture learned at home may mean something different at another table.
• Interpreting “ciego” as having no value at all. Having neither pares nor juego does not mean your cards are useless in every betting round.
• Forgetting about discards. If cards are exchanged after a signal, the earlier information may no longer describe the hand.
• Seeing messages in every movement. A blink or a grimace is not always intentional.

You should not assume that a signal indicating a strong hand is enough on its own to justify an órdago, either. To understand that term and how it entered everyday language, you can read what the expression “de órdago” means and how it relates to Mus.

How can you learn the signals without getting confused?

Start with just a few: two reyes, two aces, duples and thirty-one. Practise the movements with your cards face up, check that you both understand the same thing, then add the remaining signals.

A simple exercise is to deal four cards to each player, identify what information could be communicated and explain why. Separating the recognition of combinations from the gestures helps you learn with fewer mistakes.

You can also play Mus online for free to familiarise yourself with its betting rounds, bearing in mind that the communication options depend on the interface. At the table, the best foundations remain the same: clear rules, attention to your partner and respect for the conventions you have agreed on.