lee22sharon: you will find that certain balls, WGT GS13'
I think you may mean 'GI3-S' balls?
any of the 'GI' (Game Improvement) balls will slow the swing meter.
These are the first tier of WGT balls to have a 'feel' rating shown in 'dots' on the spec card.
Any balls with a feel rating slows the meter, the more feel rating, the slower the meter.
All the premium balls, Srixon, Callaways & Nike also have feel ratings.
Our club is currently doing comparisons on balls. Their duration Vs cost and effectiveness.
the GI3 - S & D balls so far have the best 'bang for buck'.
S = spin
D = distance