To provide a hand-hold assistance implement which is mounted at the handle part of a plastic bag furnished as free of charge by supermarkets and convenient stores and facilitates the clamping of this plastic bag.

A crevice 2 is formed at the flank of a cylindrical body 1 in parallel with the longitudinal direction of this cylindrical body 1 and the cylindrical body 1 is curved to a circular arcuate shape peaking at this crevice 2. In addition, U-shaped notch shapes are formed at both ends of the cylindrical body 1. Any one of foamed urethane 11, felt or foamed polyethylene is attached to the outer peripheral surface of the cylindrical body.