The video shows a person holding a knife with a black handle and a black sheath. The person is holding the knife in their right hand and the sheath in their left hand. The person then places the knife into the sheath and slides it in until it is fully inserted. The person then pulls the knife out of the sheath, revealing the blade. The person then places the knife back into the sheath and slides it in until it is fully inserted. The person then pulls the knife out of the sheath, revealing the blade. The person repeats this process several times, showing how the knife can be easily inserted and removed from the sheath.