The use of a smooth curved surface, instead of the traditional large rubber pad under the arm, reduces friction - thus underarm irritation and soreness are eliminated.
(The use of a smooth curved surface; reduces thus; underarm irritation and soreness are eliminated) Context(The use of a smooth curved surface reduces thus,List([0, 118))):(underarm irritation and soreness; are eliminated; )
The use of a smooth curved surface reduces thus,List([0, 118))
The use of a smooth curved surface underarm irritation and soreness
reduces thus are eliminated
underarm irritation and soreness are eliminated