Tighten a C-clamp using your thumb and index finger until the rod meets the material, so the bottom of the clamp does not slip on the material. The C-clamp style is ubiquitous across many fields. It is called a C-clamp because of its shape. It allows room round the piece for working, and its pressure has a small attachment point.
Hold a secure fit to almost anything with a bar style clamp. This style adjusts by sliding on a bar and has a quick release lever. The other side of the clamp is attached to the bar and is stationary.
Hold two pieces together simultaneously with a corner clamp. This style is also called a mitre clamp because it holds two pieces with cut angles. It has two points of attachment and can be tightened with a screwdriver.
Quickly attach two thin materials together with a spring clamp. This style can be referred to as a speed clamp because of the quickness of its application. Squeeze the handles of a spring clamp and apply it to your project. These clamps aren't as strong as others, but can quickly be utilized.
A bench clamp is a permanent part of a workbench that holds pieces while woodworking. It is similar to a vice, but applies pressure to the piece and to the bench.