ScanNCut compatible Universal Pen Adapter and Clip/Tool
Brother CAUNIPHL2 Small Barrel Pen Holder for ScanNCut Pens and Cutters at AllBrands.com
Amazon.com: Brother ScanNCut Pen Set CAPEN1, 6-Piece Color Permanent Ink Pens for Drawing and Writing, Includes Red, Pink, Brown, Black, Blue and Green