Not only the correct size ball, but also the correct weight rating of the ball. There are several balls of the same size but with different ratings. A few people also don't know about crossing the safety chains, I have seen many hooked up parallel, which won't help should it come un coupled!
Orange county choppers , maybe father and son had a disagreement just before they left! They do disagree at times.
Tom McCauley (DP Member #513)
"Tankers-ToyII" Loaded 05 D/A K-3500 CC, SRW. Deep pan on Allison w/Transyn. Edge Juice w/attitude, 4" Kennedy exhaust, 98 Gal. Transfer-Flow cross bed fuel tank, Leer 100XQ bed cap. Reese 14,000lb class V hitch w/ dual cam HP sway control. Tow 34ft. 32FKD Holiday Rambler travel trailer. GCW 20,360lbs