CZ 805 Bren S1 | Multi tool & cleaning kit explained

CZ 805 Bren S1 5.56x45 and the cleaning kit that accompanies it from CZUB is explained. Specifically the Multi tool / T shaped tool for CZ Bren 805. What is purpose and use is. Also the other tools that accompany the kit. The CZ / CZUB kit looks like a retro M16 USGI cleaning kit, or in this case...CZGI. Česká zbrojovka Uhersky Brod

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Firearm: CZ 805 Bren S1 5.56x45 NATO , Military counterpart: CZUB 805A2 Bren Czech Military Carbine for Czech Republic