Stand on a frozen crab, then freeze a second one on the edge of the hole above. Use a crouch jump and/or down grab to get onto the crab above.

Requires:

"canMidAirMorph"
"canSuitlessMaridia"
"canTrickyUseFrozenEnemies"
"HiJump"
{
  "or": [
    "canCrouchJump",
    "canDownGrab"
  ]
}