Keep them. If you don't use them, you will always find a newbie who wasn't told he needs them and can always borrow. Met a camper on his virgin run that was re hitching to truck cause he said when kids were playing his unit would move. Here- use these. Dealer didn't tell me I needed them.
2014 Evo 2850 "Woodstock"
2011 Toyota Tundra "Clifford"
2014 Stealth Evo 2850- "Woodstock"
2011 Toyota Tundra Rock Crawler TRD 5.7- "Clifford"
2013 Honda Accord Coupe V6 w/Track Pack- "Julia"
Just glad to get away