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JOURNAL

THE THINKING BEHIND THE TOOL.

Notes on heat, output, palm cooling, and the moment between efforts. Long-form context for what we are building and the science behind it.

Athlete between efforts during high-intensity training illustrating thermal fatigue and performance drop between sets

Heat & Performance

Why Performance Drops Between Sets

Learn why performance drops between sets during training, how heat accumulation affects output, and why thermal fatigue can reduce perfor...

May 11, 2026 · 3 min read

Thermal imaging of an athlete using palm cooling during rest periods to reduce heat buildup and support performance

Palm Cooling

What is Palm Cooling?

Palm cooling is a heat regulation method used between sets to reduce heat buildup, support recovery between efforts, and maintain more co...

May 5, 2026 · 4 min read