thrumming

Thrumming is a technique in which small pieces of wool or yarn (thrums) are pulled through fabric to create a wooly layer. The term thrum originally referred specifically to worthless pieces of warp thread which remained after weaving a piece of fabric using a loom, though its meaning has since broadened to include any small pieces of wool or thread which are used in a similar way.

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  1. Laurence Brown

    Stange regular cyclic Thrumming sound, like a vibration around 55 - 65mph?

    Hiya, I see some posts in here regarding strange vibration, cyclic rumblings. This is a weird one, not related to the tyres, but remaining at a constant frequency, with the pitch rising and dropping regularly at around 3 second cycles. I can only describe it as a low pitched Thrumming...
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