Mikkel Willumsen Custom Knives "Trick Perock" Machined Titanium & G-10 IKBS Flipper Frame Lock. Frame Lock Flipper was made by. Mikkel Willumsen used CPM 154 CM for the blade and Machined Tan G-10 for the bolsters.The scales and frame are Machined, Blasted and Heat Flamed Titanium with Satin Flats for the scales. This flipper features the IKBS bearing system. Mikkel Willumsen makes interesting tactical knives and he is a maker to keep an eye on. Machined, Blasted and Heat Flamed Titanium. Machined, Blasted and Heat Flamed Titanium with Satin Flats. The item "Mikkel Willumsen Trick Perock Knife" is in sale since Monday, January 13, 2020. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Folding Knives\Modern Folding Knives\Custom & Handmade". The seller is "knifetrader8" and is located in Seattle, Washington. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Brazil, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Singapore, Norway, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.