I had a draw for years - which at times is an unwanted hook. I had a tip to loose the interlocking grip I used for 25 years and try the ten finger grip - I thought the guy was nutty. BUT WOW! Every shot had a very slight, predictable draw and I made no mistakes with my irons all day - no duffs, slices or hooks...additionally I gained yards on my driver and could shape shots better with the AP2's. I can't believe the results.
Point is: Don't be afraid to try different grips...or anything that might be uncomfortable or intimidating...you never know what works in this game!