Thump and Roll into exquisite pleasure with Knock Knock from Renegade. Anatomically designed angled silicone plug featuring a free-floating steel ball. Tapered for easy insertion. Suitable to use with all lubricants.Anatomically designed angled silicone plugFeaturing a free-floating steel ball\u00A0Tapered for easy insertionSuitable to use with all lubricantsProduct dimensions: 4.7 x 2.1 x 2.1 inch / 11,9 x 5,3 x 5,3 cmInsertable dimensions: 4.1 x 1.5 inch / 10,4 x 3,8 cm