how to strap 2 cactus 600's? and benefits of it?

i am picking up a second 600 to run for now till i can get another so im gonna be running 1 600 to each pair of subs was wondering if i can gain anything by strapping them for now. i think that would be best if i dont strap them i can only run them a .5 ohms but if i strap them i can run them at 1 ohm strapped which is .5 per amp right? then rewire it at .25 ohm strapped which is .125 per amp so this should work right? also need to know exactly how to strap them ive seen plenty but every amp seems to be done differently to strap them all i do is run my power ground and remote to each amp then rca's to the master then a rca link from the master to the slave then how do i do the wiring for the subs? i know im suppose to bridge a channel but which one a diagram would be helpful! thanks guys!