A metal ion stabilizes a kink in the mRNA that demarcates the boundary between A and P sites, which is potentially important to prevent slippage of mRNA. (science.sciencemag.org)
Use a product like SoftSpotz Bathtime Kneelers from Ah Goo Baby to cushion your knees and prevent slippage when you are leaning over the tub to wash their hair. (thefashionablehousewife.com)
There are rubber grips strategically placed throughout the frame to prevent slippage on the floor. (themamaneeds.com)