Firearm skills are perishable. The more you train, the higher your skill level will be. But remaining sharp can get a bit expensive for many people. This little exercise will cost you nothing but perhaps a minute or two of your time each day. And it will help improve your accuracy at the range.
After you watch this video, be sure to check out the Full30 forum at https://forum.full30.com/?u=tactical_reviews it's filled with great people willing to help.