Tenga Hole Warmer, the product to get your Tenga on the perfect temperature. Click the metal disc in the Hole Warmer to activate. Insert the heated Hole Warmer in your Tenga for about five minutes. Before use, please check the temperature by touch, to make sure it is comfortable. It is possible to reuse the Hole Warmer, see enclosed instructions. Note: this product doesn't include the pictured Deep Throat Cup.