You not got a small vice like zw1_3yvXiyr4WVokNFhzMFu_ZsoByqCSlqvk89vW91vw3RsIaAnpWEALw_wcB
That's what I used doing my 4790k. A bit of tape on the Jaws, one jaw on the IHS and the other jaw on the the back side the green plate so cpu is at a slight angle and slowly close the vice so IHS and back side of cpu are forced opposite ways..
As per title needed to rent or buy. Tried in mm but no response. Also any cheap cpus to practice before doing my baby (8700k). Thanks in advance