clone a willy help please

Hi im not sure if this a the right place to post but i will ask anyway my husband has given me a clone a willy and i would like this to have somekind of suction cup on so that it could stay in one place i have tried small suction cups and they don't stay stuck and also when you have the vibrator inside the willy it can make it a bit more difficult do any of you have any idea's for me please thank you