Felt pad is used after the punch processing sheep blankets made of sealing washer. Having a sealing, oil storage, such as earthquake action.

毛毡垫是采用羊毛毡经过冲床加工制作而成的密封垫圈。具有密封，储油，防震等作用。

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Punch the numbers into a telephone dial pad in a phone booth outside the bar, and a concealed door swings open to reveal a classic cocktail joint that swaggers with the decadence of a 1920s Chicago speakeasy.

BBC: Cocktailing in the Argentine capital