Stripping Coax without the right tool can be irritating without the proper tool. Sure it can be done with a pair of scissors and some experience, but, why waste your time when it can be done in a few seconds.
Step One: Strip Black insulation from coaxial cable with one squeeze.
Step Two: Fold back the shield and 1 more squeeze cut for the white foam.
Step Three: Trim shield back to around 1/8 inch from black insulation.
Step Four: Screw on Connector.