For most of golf's history, you hit a ball and watched where it went. That was the feedback. Watch the flight, adjust your grip, try again.

A launch monitor changes that entirely. Now every shot gives you data — club head speed, ball speed, smash factor, spin rate, launch angle, carry distance. You stop guessing why a shot went left and start understanding it. There's a difference between those two things, and it shows up on the scorecard.

The monitors we carry — from Garmin and Bushnell — range from the genuinely portable (R10 fits in a jacket pocket) to the professionally serious (Launch Pro is what they use at certified fitting centres). All of them work on a real driving range. Most of them connect to simulator software so you can play courses in your basement in January.

If you're serious about improving, this is where improvement actually starts.