3-Point Hitch 3pt hitch

[DIRTCUTTER]

Ck30 hst The 3 pt arms that rise and lowers. There are two holes on each arm maybe 1/2 in dia. Iam not talking about the hole were you drop in the pins. Anybody know what they are used for

 

[ToadHill]

Leverage points for the downarms form the 3pt. lift arms. I found out the hard way see my post " how to look like a fool"