Place bombs against the speed blocks until they are overloaded. Afterwards, freeze a crab on the edge of the speed blocks, such that Samus can jump inside and stand on the crab. Exit G-Mode and rotate to obtain the item, then kill the crab with Wave Beam to fall back down.

Entrance condition:

{
  "comeInWithGMode": {
    "mode": "any",
    "morphed": true
  }
}

Requires:

{
  "notable": "G-Mode Overload Speed Blocks then use Frozen Crab"
}
{
  "or": [
    "Gravity",
    {
      "and": [
        "canSuitlessMaridia",
        "HiJump"
      ]
    }
  ]
}
"canTrickyUseFrozenEnemies"
"Wave"
"h_canArtificialMorphBombs"
{
  "or": [
    "h_canArtificialMorphSpringBall",
    {
      "and": [
        "Morph",
        "canBeVeryPatient"
      ]
    },
    {
      "and": [
        "Gravity",
        "h_canArtificialMorphIBJ",
        "h_canArtificialMorphCeilingBombJump"
      ]
    },
    {
      "and": [
        "Gravity",
        "h_canArtificialMorphIBJ",
        "canBeVeryPatient"
      ]
    }
  ]
}