right-hand

adjectives

located on or directed toward the right
"a right-hand turn"
is similar to
being or located on or directed toward the side of the body to the east when facing north
"my right hand"; "right center field"; "a right-hand turn"; "the right bank of a river is the bank on your right side when you are facing downstream"
intended for the right hand
"a right-hand glove"
most helpful and reliable
"my right-hand man"
is similar to
providing assistance or serving a useful function