This film shows the kit and equipment that the 42nd of Foot, The Black Watch wore and used at Waterloo. The Battalion was in 9 Bde of Picton's 5th Division and fought at Quatre Bras and Waterloo. The 8 British Battalions in Picton's Division were all Peninsula Battalions and most probably the most relaible in Wellington's Army. Hence their use at Quatre Bras and their position at Waterloo. The Division lost 43% of its men as casualties at Waterloo including Picton himself, Wellington's greatest fighting general.
Unfortunately the movie The 42nd of Foot - Black Watch - Dress and Equipment at Waterloo is not yet available on HBO Max.