For pumping nipple balls often use Bicycle pump with a special needle. But it does not matter if it broke or its just not there at hand: with this work well covered by a normal Bicycle nipple off a rubber tube mounted with its threaded shank in the hole of the pump.
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Device, a scheme which offers the journal "Funk-shau" (Germany), is used to create different sound effects together with musical instruments. It is made in the form of a set-top box or a...
