Fig. 1From: Comparison of efficiency and safety between dual-clip and rubber band-assisted ESD and conventional ESD for colonic lateral spreading tumors (LSTs) with different levels of technical difficulty: a retrospective case–control studyComposition of the traction device. a The outer diameter of the rubber band; b the inner diameter of a rubber band; c external rubber band elasticity; d the first clip and rubber band; e clamping the rubber band and entering the instrument channel; f a set with a dual-clip and rubber band externallyBack to article page