CURT A-frame couplers are generally rated better than straight-tongue couplers, generating them especially popular for RV trailers and journey trailers. Luckily, that is not a difficulty for all but the most rugged off-street trailers and campers. These campers might be much better served by an articulating hitch layout such as https://types-of-trailer-hitch-co66417.vidublog.com/26833669/the-ultimate-guide-to-types-of-trailer-hitch-couplers