Installation assistant: First of all,it needs to be installed on a smooth,dry surface,such as: glass,tile, acrylic plate, etc. Then, when you mount it on the wall,you need to turn the knob and make sure the knob pointer is aligned with the lock sign. When you're done, you can use it with peace of mind..Multi-scene use: Whether you are on the road,RV or at home, facing the drying problem of insufficient sunlight, this product can easily cope with it. It can be firmly adsorbed on the surface of glass, tile, acrylic plate and other materials, so that you can enjoy the convenience of drying anytime and anywhere..Easy to use: This foldable drying rack is simple in design,easy to operate,easy to fold and unfold, easy to store, portable, and easier to travel. The innovative button-type suction cup technology provides stronger adsorption force and ensures the stability of use. The installation process does not require any tools, just smooth the surface,and can be quickly installed with a twist.. design: Open the drying rack and you will find that the two sides can be extended and adjusted to different angles to meet a variety of drying needs. The open design promotes air circulation, effectively accelerates clothing drying, and improves drying efficiency..Our purpose: We are committed to providing you with and convenient household products. Your every feedback is the motivation for our progress. If you have any suggestions or comments, please us through Amazon, we will carefully analyze and adopt.