grease while replacing tie rod boots?
 

When I replace the boots, I usually add some ball joint chassis grease to the inner ball joint. Should I also
turn the steering wheel completely right and add grease to as many of the rack splines/teeth that i can reach?

note these pics are not mine, just pics I found on internet to illustrate: https://imgur.com/a/iAxi78S

Also, can I use standard worm roller clamp for the large end?

Year of car?

Pic's note showing.

pics take time to load.
2003 and 2007

Use molybdenum disulfide lithium grease.

As to clamps a screw type is OK. Try to find one whose width fits into the groove/track of the boot.

on the inner ball joint too? if yes why?

Ball joint should be sealed.