Blackboard wood clapper. Chalk not included.
The Arri's Famous LMB-25 clip-on includes three stages to put 4x5 / 4x5.65 filters and 95mm / 114mm diameter clamp adapters. Also, it includes an Arri tray catcher, to secure filters, and a set of mattes.
An active mount for the use of EF lenses with the Alexa Mini and the Amira.