On a Crank, it may be possbile, since the gripper can be moved closer to the frame. On fixed tensioners like a DW or an Electronic CP, you'll need a bridged starting clamp. If you had one less pair of mains, like a 16, it's possible. On an 18, not with a bridge.
Machines: Gamma 6004 2-point w/ Wise 2086 & Babolat Sensor Dual