Made the effect stronger
https://s3.clubcyberia.co/pleroma/8c/f0/13/8cf013c1ed2db80ce0bb960ddefb2e5d2576fd7b6b91228285e5070b4214fecd.mp4
A 25 pixel horizontal shift really makes the effect pop, but it kills any and all colour. I could only get away with such a strong effect because the video was black and white. A 10 pixel shift is the absolute limit for colour videos.