As yukkuris can't thoroughly stretch their bodies by themselves, let's stretch all over of them to the extreme.
Doing acupuncture massage at the same time is also effective. Yukkuris will say "Doing stretch-stretch!" and stretch their bodies from time to time.
Although yukkuris have soft bodies, their bodies will become stiff-stiff if they keep holding a single pose.
The stretching is their instinctively-performed callisthenics to prevent frozen bodies.Hold them still with both hands to support the stretching.
Do not over-stretch them.Acupuncture massage. Please sterilize the needles.Stretch stretching!Happy peeing!Helping them stretch makes yukkuri go yunya!