It is a brand new cap we have never seen before with dry electrodes compatible with OpenBCI Ultracortex Mark https://www.aliexpress.com/item/4000389347282.html OpenBCI Ultracortex Mark III/Mark IV EEG Cap Accessories on Aliexpress https://www.aliexpress.com/item/4001094787568.html Aliexpress offers OpenBCI Ultracortex Mark III/Mark IV EEG Cap Accessories. Do these accessoires work with the Ultracortex Mark compatible headset shown above? And if …