Rocket if you really want your own or Jordan's spare coversion rate to go up, take a stopwatch with you next time you both go to practice. Have the other person time your first shot Afterwards, time the second shot. You should see a differnce in the times. Usually, bowlers will take more time on the first shot than their second shot. Simply trying to spend the same amount or more time on a spare shot should send the conversion rate soaring. However, the trick is do taking your time while still blocking everything out and not overthinking.
Also have your entire fit checked to see if it good, span, pitches everything. #1 deterent of a free swing is a bad fit. Also a free swing starts with your hand. So eliminating the kung-fu deathgrip and relaxing your hand is one of the hardest things to do.
Be like water making its way through cracks. Don't be assertive, but adjust to the object, and you shall find a way around or through it. If nothing within you stays rigid, outward things will disclose themselves.