Heavy Hitch's office hours are 8am to 4pm, Central Standard Time, so they should be opening in less than an hour, I have no doubt they can answer your questions.
Make sure your post back to let everyone know the answer you get from them, because apparently not many GTT'ers are using this combination to have personally encountered the incompatibility.
I have a good idea what it is from looking at the photos, but instead of speculating, I will wait to hear what you learn directly from HH, as it't their product on the weight bar and they would certainly know the compatibility issues.
Make sure your post back to let everyone know the answer you get from them, because apparently not many GTT'ers are using this combination to have personally encountered the incompatibility.
I have a good idea what it is from looking at the photos, but instead of speculating, I will wait to hear what you learn directly from HH, as it't their product on the weight bar and they would certainly know the compatibility issues.
