Local heating is sufficient, but there is at least 3 month latency. Dr Roger Mieusset and volunteers tested a modified underwear with success and reversibility

Local heating is sufficient, but there is at least 3 month latency. Dr Roger Mieusset and volunteers tested a modified underwear with success and reversibility after 4 year use. Photos of the modified underwear + usage (NSFW/medical) can be found here : http://www.contraceptionmasculine.fr/415771934 http://www.contraceptionmasculine.fr/415771934