2MiB, 400x306, 1575413006077.gif View SameGoogleiqdbSauceNAO Anonymous Wed 11 Dec 16:02:46 2019 No.11217420 ViewReplyOriginalReport Quoted By: >>11217455 >>11217491 >>11217549 >>11217554 >>11217589 What is the most optimal way to move on a perfectly frictionless surface ?