Round stick. Arcos Brasil's professional level, Special Edition gold mounted bows are completely handmade including the frog. These special edition bows are made from select, premium pernambuco blanks resulting in exceptional playability paired with impeccable workmanship. Gold mounted handcrafted frogs are fitted with larger eyes. Windings are of matching gold wire and tip plates are made of mastodon. These are in limited supply so inquire about availability.