This Higonocampos friction folder with a damascus steel blade just under 5″, adustable tension pivot, copper handle and brass spacers is availabile for sale.
US$ 225.00, plus US$ 20.00 for international shipping. Comes with a leather pouch.
As usual, to order you just need to call me on my cell/whatsapp 00-55-15-997120993 or write to email@example.com. First come, first serve!