If you are a new player, make sure that the upper and lower joints are situated properly for your hands. The upper joint is for your left and should be on your left side, and vice versa with your right hand and your lower joint. [2] X Research source
Your reed also needs to be kept at the right moisture level so it is easy to work with. Keep it in a special box that controls environmental changes. [3] X Research source
If you do detect a loose screw, find a screwdriver that fits and screw it back in. Be very careful that you do not strip the screw. If you cannot find a properly fitting screwdriver, you may need to visit your local music store.
If you are a young child working with a bulky clarinet, consider Investing in a neck strap. A neck strap can transfer the instrument’s weight off of the arms and onto the neck. This can allow you to relax and focus on practicing.