The manuals, on the other hand, are very specific. Whatever type shower system you have in mind, we're confident you'll find one that suits your specific preference. But first, let’s find out how to deal with a clogged shower head. Poor posture, such as slouched sitting, can place a great deal of stress on your muscles, ligaments, and disks. The great thing about a shower head from Waterpik is you can install it all by yourself.