9/19/25, EE was straightening metal pipe framework on a drill rig using a chain come-a-long. One of the anchor hooks came loose, striking EE's left hand and thumb. EE was wearing gloves and safety glasses. First aid was administered, and EE returned to work that day. On 10/02/25, EE reported worsening pain in EE's thumb, which was later diagnosed as fractured at Urgent Care.