When, in particular, the internal angle γ or δ formed between the slanted sides of the wings 22 22 and {HEAD ~ the V groove walls} is {TAIL ~ greater than 90°}, then the action of the wings 22 22 tends to scoop the fiber 11 away from the V groove walls as it is being guided into place 
When , in particular , the internal angle γ or δ formed between the slanted sides of the wings 22 22 and { HEAD ~ the V groove walls } is { TAIL ~ greater than 90 ° } , then the action of the wings 22 22 tends to scoop the fiber 11 away from the V groove walls as it is being guided into place
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