Take your cut off tool and fashion the clamp end of an I-Bar clamp to fit into the trunion area... Or you could fashion a fitted plate to bolt onto the clamp, then drill the clamp and bolt the plate onto it. Plenty of possibilities! 
http://pookieweb.dyndns.org:61129/AK/pressing/pressing.htm
hth,
- Jerry
http://pookieweb.dyndns.org:61129/AK/pressing/pressing.htm
hth,
- Jerry