The answer is no. Removing a belt or loosening the trousers is all that is generally necessary. Some people like to take off all their jewelry, watches, wallets out of pockets etc. and that is acceptable. In cases where people are wearing very tight jeans or a very tight dress, it would be best to remove the tight clothing without removing underclothes to receive the optimal session. In these rare occurrences, a top-draping sheet would be used to cover the person on the table and the Activation would then be performed through the sheet.