Handkerchief Grip 【Effect】 There are two headbands, one blue and one yellow. The performer turns their back, and in this position, the audience is asked to choose their favorite color headband and grip it in their hand. From here, without asking any questions, the performer is able to perfectly guess which headband the audience is holding! Try the Handkerchief Grip and see into your opponent's mind! 【Contents】 Special gimmick set, Japanese instruction manual