Grrl Toyz Silicone Knicker Tickler There's a party in your panties! Firm but flexible silicone vibe rests in panties held in place by contoured curves and a woman's own anatomy. Wear it under clothing and the removable one-touch love bullet provides discreet vibrations. Silicone can be frozen or mivrowaved for sexy chills or hot thrills. Waterproof and Phthalate-free, the Knicker Tickler takes four LR44 batteries, sold separately.