edge control

(uncountable)A hair product formulated to hold down baby or fine hair.

(uncountable)The controlled use and placement of the edge of a skate, ski, or snowboard.

(uncountable)A skill in edging; the ability to maintain one gunwale higher than the other at a controlled angle.

(uncountable)The management and manipulation of the edges of an aircraft's wings or control surfaces to enhance performance and stability.

(uncountable)Control over the exact placement of edges on a line or shape one is mapping, cutting, or etching.

(uncountable)The management of an unpredictable situation in order to prevent it from becoming physically dangerous.