Foam-Core Durability & Grit Retention

Tracking long-term durability of foam-core paddles and grit retention. Today's comparison adds spin durability tiers: Jelly Bean 2 rated Tier 1 (best retention). Also tracking Ghost X Gen 4, Fast Flow Pro Gen 3, Apes Zen S+, 11SIX24 Jelly Bean 2, Quanta R4.16, Enhance MPP Turbo/Turbo EPP, and others.