The numbers next to the lyrics correspond with the game instructions below.
Moustache, moustachu, (1)
Voici le chat (2)
Griffa, griffu (3)
Griffa, griffu (4)
Sortez les griffes ! (5)
Rentrez les griffes ! (6)
Chat, dormez ! (7)
Mustache, mustached, (1)
Here comes the cat (2)
Clad*, clawed, (3)
Clad, clawed. (4)
Bring your claws out! (5)
Put your claws in! (6)
Cat, sleep! (7)
*"Griffa" normally means "clawed" in the preterit tense but here it's just for the sound, hence "clad".
(1) Children stroke an imaginary mustache.
(2) Children put their hands up in the air.
(3) Right hand forward like a claw.
(4) Left hand forward like a claw.
(5) Both hands making a clawing movement.
(6) Fold fingers in, withdraw hands.
(7) Cross hands and lie head sideways on hands.