GoodHead - Tingle Drops - Wild Watermelon, Sour Green Apple, Salivating Strawberry - 3 Pack - 1 fl. oz. This set of oral sex enhancers intensify blow jobs by tingling, teasing, and sweetening the entire package. Our GoodHead Tingle Drops come packaged in easy-to-use 1 oz. drip bottles and three mouthwatering flavors: Strawberry, Green Apple, and Watermelon. You’ll love the user-friendly package and delicious fruit flavors that effectively provide the perfect blend of great taste and delightful sensations. A couple drops are all you need!