Using LSM-15 and LTM-5, where does your carrier wire go on 4-ways

Was playing with 4-way and 3-way switches. Not exactly sure which of these switches you need and where the carrier wire between switches gets connected.
In one scenario I have pot lights controlable from 3 different switches, in another I have my light controlable at two spots.

Any suggestions on which switches and where the trailer wire connects?

thanks