I have a Tiffen 4.5" Round filter. SUPER hard to find ANYTHING to hold this thing, because it seems very specifically made for high-end filmmaking. I then figured, I could get into 3d printing and just print a damn adapter that would hold this filter instead of buying the actual holder for way cheaper (including cost of printer). Thank you for your video as a proof of concept!
In 2010, The jacket price was 97$. I bought this directly from their official website, and use some third-party shipping service to send it to Thailand. the total cost was around 150$ ( Jacket 100$ + Shipment 50$). They ship worldwide with FedEx so the cost might be a little bit high. Here is the link: lcking.com/collections/coats-jackets/products/brown-duck-chore-coat.