How to Use
1. Click a finger dot to see its reach
2. Click the hand center for all 5 fingers
3. Use All / Left / Right buttons for quick filtering
Reading the Keys
Each key displays its reachability score:
📊 Per finger: max 66 (3 × 22 participants)
📊 All fingers: max ~220 (varies by key)
View Modes
All
Total score (all 10 fingers summed)
⭐ Best
Best finger score per key
🤚
Click hand center → 5 fingers combined
T I M R L
Click a dot → single finger
Scoring System
Each participant rated each key per finger:
3
Easily reachable
1
Reachable with effort
0
Unreachable
Hand-Face Mapping
Study Info
22Participants
80Keys
10Fingers
3-ptScale
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