A shoe for sports that includes a shoe upper portion that is adapted to
cover a user's foot, a ground friction device that is adapted to increase
friction on a ground and an outer sole that is adapted to surround the
user's foot together with the shoe upper portion. The outer sole includes
one or more through holes, a top surface that supports the user's foot
and a bottom surface. The ground friction device is assembled to the
outer sole by being inserted into the through holes. The through hole
includes a hole threaded portion, a lower end that is adjacent to the
bottom surface of the outer sole and an upper end that is adjacent to the
top surface of the outer sole.