Usually a left-handed player wears a glove on his right hand and a right-handed player wears a glove on his left-hand. This bowed left wrist allows a late powerful release into the golf ball...the secret to tremendous power off the tee.
Now, the 7 iron is three inches longer than the pitching wedge. Here is the hobby that entails hands-on exercises, not simply on the driver but also together with the various golf clubs, along with the putter.
But I have observed three common problems that mid and high handicap golfers normally have when they chip.