This hera marker doesn't use ink - it marks a crease which can be seen on both the front and back of the fabric without leaving any residue. Great for
Clover Hera Fabric Marker Spatule For Quilting Work 490/NV
Hera Marker
Crease Marking Tool, Mini Hera Marker by Clover – Millard Sewing Center
Hera Marker – Benzie Design
Clover Hera markers easy to handle tracing spatula allows you to place pressure when marking on fabric. Hera Marker marks and makes a crease
Clover Hera Marker
Clover Hera Seam Marker – Bolt & Spool
Clover Hera Marker - The Strawberry Thief
Use a long Hera maker for marking and creasing fabric and/or paper, The sharp tip one is especially useful for turning and poking out tight corners
Hera Marker
CLOVER 4002 HERA MARKER APPLIQUE
Clover 490/NV Hera Marker
My favorite fabric marking tools for sewing and quilting - Linda Matthews