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Bram Cohen is the creator of BitTorrent, a communication protocol for peer-to-peer file sharing.
One of his more obscure interests is the designing of puzzle rings, and he is well-known in the puzzle community.
For the full story read our blog entitled  26. SIXTH SENSE.

HOLISTIC
Silver $60 / Gold $538
7.8 mm / 8.4g
SIXTH SENSE
Silver $90 / Gold $604
11.2 mm / 8.8g
THREESOME
Silver $50 / Gold $542
9.7 mm / 8.6g