Abs Crunches Helper by 3DIY-Captain

Last crawled date: 5 years, 7 months ago

https://youtu.be/CwvPFOJ3hZI
This 3D printed tool will help you to do your abs or crunches using a furniture like a table or other. As long as there is more than 1cm - 0.4in the tool can be place under.