Get to the item while avoiding the crab, note that it doesn't go all the way through the tunnel. Use a super to knock it off, while it is on the right wall, in order to knock it off so it will go down the morph tunnel.

Requires:

"h_EverestMorphTunnelExpanded"
"Morph"
{
  "ammo": {
    "type": "Super",
    "count": 1
  }
}

Exit condition:

{
  "leaveWithGModeSetup": {}
}