Universal je praktické kľukové zariadenie na naťahovanie tětivy pre širokú škálu kuší Barnett. Napínacie zariadenie znižuje napínaciu silu na približne 13 libier (cca 5,9 kg) a je vhodné pre pravákov aj ľavákov. Mechanizmus nijako neovplyvní vaše výsledky pri streľbe, zrýchli vašu kadenciu a ušetrí vám energiu.
Zariadenie je kompatibilné s kušami Barnett:
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