US Patent 11638453 Sleeve with integrated insert

Aspects herein are directed to a sleeve having a first length in a retracted state and a second length in an extended state. The sleeve may have a third opening positioned between first and second openings of a cylindrical tube. A releasable fastener may be affixed proximate the third opening and hold the sleeve in the retracted state when fastened and may allow the sleeve to move to the extended state when unfastened. An insert may be affixed around a perimeter of the third opening. The insert may include a thumb receiving portion. The thumb receiving portion may have a thumb opening. The insert may be retained interior to the cylindrical tube when the sleeve is in the retracted state.