Heat up your onahole, hip or the hole of your sex doll with this high quality USB onahole warmer by Tama Toys. Simply plug it into any USB port and warm your hole up for the action to come.
You'll absolutely have to wait at least 5 minutes, but it works. The quality score indicates that there have been no apparent defects in manufacturing/materials - it's been working just fine after 30+ uses so far.
Takes a while to get hot enough to warm an onahole, but it gets the job done.