Learn how to gauge height and roll
The next time you are on the chipping green try this. To help you better understand the concept of height and roll throw a ball before hitting one and then pick a club to recreate that shot.
Mix things up
Vary the throws and mix up the clubs you use. By throwing a ball you will also get a very good feel for the length of swing needed for each shot.
Boonchu Ruangkit plays on the European Senior Tour and topped the Order of Merit in 2010 having won the first three events. He also topped the scrambling stats