Micro-channeled protective film

A method of protecting an automobile comprising

• preparing an automobile surface for application of a protective tape;
• applying a protective tape to the automobile surface, the protective tape comprising
• a backing comprising
• a base layer comprising a first major surface and a second major surface;
• and
• at least two rails comprising a tip surface, the rails extending from the second major surface of the base layer, the rails defining micro-channels therebetween, the micro-channels comprising a channel surface;
• and
• an adhesive on the tip surface of the rails.

A method of manufacturing a protective film comprising

• providing at least one film forming material;
• providing an adhesive material;
• feeding the film forming material and the adhesive material into an extrusion process having a die, wherein the die has a profile;
• and
• simultaneously extruding the adhesive material and the film forming material through the die to create micro-channels in the film forming material.