Unsolved single-goal challenges

As requested by Pannen, here are some ideas of cool things that may be possible in sm64.

Clipping from the bottom area of Wiggler's cave to the top area, or vice versa
Grabbing Ukiki without pressing B
Collecting WMotR Capless/Cannonless
Transport cloning with wiggler or Skeeter
Pulling off a transport clone with 4 simultaneous pushers
Picking up the cannon bobomb on the same frame as leaving its radius
Collecting the new impossible coin
Killing the mystery goomba and collecting its coin
Collecting the red coin in BitDW by the start without using the ! Switch
Getting infinite coins in CCM
Cloning in LLL (maybe with fall damage instant release via falling from HSF)
Getting the TTC upwarp
Moving during timestop in JRB (to get shell clones)
Grab a bob-omb fake during boiling
Vertical PU death in LLL
Beating SA in one irl breath
HSWK between towers in TotWC
Crashing the game by triggering death barrier before activating the TotWC starting textbox
Putting the ukiki that steals your hat on the monkey cage, so the ukiki that opens the cage will murder the other one
Bring the mama penguin to the Bob-Omb buddy to trigger text glitches
Survive in a vertical PU with a shell clone released up there somehow