Pro Shop
The Association maintains a limited inventory of approved items.
These items have not been shown to improve performance, reduce error, or alter outcomes.
Distribution is ongoing.
GSTPA Cap (Standard Issue)
A standard garment bearing the mark of the Association.
Use is widespread.
Results remain inconsistent.
Est. 1987.
A standard issue cap bearing the GSTPA Tour designation.
Worn during observed play across multiple conditions.
No measurable impact on outcomes has been recorded.
Use continues.
GSTPA TOUR T-Shirt
A garment bearing the mark of the GSTPA Tour.
Events are conducted.
Results are recorded.
Outcomes are not explained.
Grand Sham Tour T-Shirt
A standard garment bearing the marks of the Grand Sham Tour.
Associated with events conducted under varying conditions and inconsistent outcomes.
Worn by participants across all levels of observed play.
Results remain independent.
Internal Memo
- No correlation found between headwear and decision-making.
From the Record
- Multiple participants reported “feeling better after purchase.”
- No supporting evidence was collected.
From the Shop
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Items added to cart are not considered commitments.
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Returns are processed without review.