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Does anyone know what material is used in making those cone-like pokey things? My immediate guess would be that its some form of dense foam to damp waves; but w

by gnok 16y ago

Does anyone know what material is used in making those cone-like pokey things? My immediate guess would be that its some form of dense foam to damp waves; but what exactly are they?

danudey 16y ago
The video said something about carbon-infused foam.