If you compare the right click with this:
Actually it does still exist (According to a PMod I know with 99 slayer) all your skill capes trim themselves as you get a second skill cape. According to him it is extremely hard to get a non trimmed slayer cape because you'd probably have 99 str, atk, def, hp, or something around there.
Okay so the images are FAKE; thankyou to the person for proving this!
They are rather pretty
Many people are growing to this new fetish of getting untrimmed slayer; some people have created accounts souly for this purpose... hopefully we will see one soon around the corner!
- Pickled out