[PROBLEMS] By attaching the connecting portion of the thread and the annular member, and provides the roots takes prevention device capable of improving the recovery rate of the members or tools when manipulating the members and equipment, which is connected to the yarn from the water . SOLUTION A root takes prevention device 43a for preventing to take root connecting portion of the thread 10 and the annular member 30, the root takes prevention device 43a is a plan shape D-shaped form and the wall an attachment member 40 thickness, the through-hole 41 which penetrates the thick portion 44 of the attachment member 40 in the longitudinal direction of the attachment member 40, slice the thick portion 44 to one side one of the end portion 40a of the attachment member 40 having a slit 45 formed as the through hole 41 and the slit 45 at the thick portion 44 of the attachment member 40 I is due to the roots takes prevention device 43a, wherein the communicating. .BACKGROUND 23
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