[header] How to snake a shower drain [title] Purchase a plumber's snake. [step] A drain or plumber's snake, also known as an auger or a drain claw, is a long, coiled metal spiral that has a graspable handle on one end. Drain snakes can either be manual (in which case you'll crank the handle yourself) or electric (which you can attach to a power drill). 
[substeps] Both manual and electric plumber's snakes should be readily available at your local hardware store or home-supply store. A snake will probably cost around $25 usd.