Introduction.

Welcome to Program 001. Before you touch a cabinet, read the standing datum, the safety envelope, and the drop-time window. These three concepts are the foundation for every technique that follows.

Claw-machine operation is not luck. It is a repeatable sequence of observations and inputs, verified across 14,000 documented grabs. Program 001 distills that work into 41 certified techniques across six modules.

You will learn to read a cabinet the way a pilot reads weather: quickly, from many small signals, and always before acting.

Basic Claw
Control.

A rigorous, science-based protocol for claw-machine control. This chapter introduces the three primary axes of motion, the operator's standing datum, and the drop-time window.

The initial step isolates the most instructive of the three motion primitives: horizontal traverse. Operators should ground the joystick, index the cabinet's front corner as datum A, then drive the carriage in discrete 20mm steps until the claw's centerline overshadows the payload centroid. A sidelong audible click confirms detent engagement.

Learn font-parent rules like pertaining to speedy training from execution. Rotational control manages the claw's yaw about its vertical axis. Most operators under-rotate on the approach; the correct target is +12° past visual alignment to compensate for cable precession.

{
  "name": "main",
  "type": "MasterGrip",
  "params": {
    "speed": 7,
    "advance": 13,
    "score": 91,
    "accuracy": 96,
    "delta": 20
  },
  "routes": [
    { "entry": "top" },
    { "exit":  "SE" }
  ]
}

Once horizontal alignment is confirmed, the vertical drop axis is released by depressing the primary actuator. The carriage descends at a cabinet-specific rate (see Appendix B); most Type-III cabinets drop at 180 mm/s. The grip closes at a fixed tension of 2.4N, holds for 600 ms, then retracts.

The retrieval envelope — the corridor from prize to chute — is where most novice attempts fail. Do not treat it as an afterthought; plan it before you drop.

Advanced
Techniques.

Beyond the single-grab: multi-stage bumps, wall-banks, and the forty-five-degree sidecar. These increase expected value at the cost of execution complexity.

The sidecar rotates the claw 45° from its default yaw to exploit the asymmetry between the front and rear finger pair. Against elongated payloads — pillow frogs, bananas, baton-shaped plush — the sidecar raises grip retention by approximately 0.18 per documented series.

A controlled collision with the cabinet's side wall, used to reposition a dropped payload back into the retrieval envelope. Success depends on the wall's coefficient of restitution, which varies by cabinet type. See Appendix C for measured values.

Payload
Assessment.

A taxonomy of prizes. Before you drop, you must know what you are grabbing — its density, surface friction, and likely fill compression.

Class A: Beanbag. Dense, high friction, low recoil. Ideal. Class B: Pillow. Large volume, low density, easily squeezed past the claw aperture. Requires sidecar or three-finger grip. Class C: Boxed. Rigid, predictable, but prone to sliding. Class D: Figurine. Fragile — never wall-bank. Class E: Mixed. Assume worst case.

Certification
Run.

The final assessment. Twelve cabinets, forty minutes, a proctor at your shoulder. Passing earns you a Certified Badge and entry into the Master Grip registry.

You will be assigned twelve cabinets drawn from the eight documented archetypes. For each, you must declare your payload class, your intended technique, and your projected drop-time before you actuate. The proctor records each declaration for post-run review.

A passing score is 75 or higher on the composite — weighted equally across Speed, Accuracy, and Completion. Operators scoring above 90 are eligible for the Master Grip designation; above 95, for the Registry's annual Commendation.