Translation of "pino" into English

Quando o tubarão te engolir, puxa o pino.

Now, when that shark swallows you, just pull that little pin.

Apenas aconteceu que o caminho a seguir era sem dúvida o couro e os pinos, sabe?

It just came about that the way forward was undoubtedly the leather and studs, you know.

Seus pinos eram de prata, e o revestimento das suas cabeças e suas ligações eram de prata.

Their pegs were of silver and the overlaying of their heads and their joints were of silver.