Warming masturbating cup in 5 minutes!!
The method is generally soak in hot water, it is to warm or at range, but we would like to provide is a new option as there is this USB Warmer.

And to connect the camera to your computer with a USB terminal device, use only to put Onaho the stick part.

After connecting, stick comes quite hot if less than a minute. The warm slightly in a couple of minutes, inside is very warm If you wait five minutes after insertion Onaho.
It does not have to measure the number actually is, surface temperature sensible of stick about 37C maximum. Since there is no worry to too hot, can be handled with confidence.

Where you were having a hard time to warm Onaho of course, you also have not tried the HOT Onaho until now, please try to use all means at this opportunity.