Noun
bobbins
plural of bobbin
bobbins (uncountable)
(Lancashire, Manchester, slang) crap, rubbish, something worthless or nonsensical
The cages are multiplied for stranding with a large number of tapes or strands, so that a machine may have six bobbins on one cage and twelve on the other. Source: Internet
Spinning is the twisting together of drawn out strands of fibres to form yarn, though it is colloquially used to describe the process of drawing out, inserting the twist, and winding onto bobbins. Source: Internet
Modern motorcycle discs tend to have a floating design whereby the disc "floats" on bobbins and can move slightly, allowing better disc centering with a fixed caliper. Source: Internet