![Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs](https://preview.redd.it/cmuj75pp6gj61.jpg?auto=webp&s=43fa249cf5f12089ce11e8d38f99c64de05eccb2)
Still using this old Logitech Trackman Marble FX. I never found a more comfortable new trackball to replace it with. : r/Trackballs
![Amazon.com: Logitech Trackman Marble Trackball – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics Amazon.com: Logitech Trackman Marble Trackball – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics](https://m.media-amazon.com/images/S/aplus-media/vc/9efb2cd5-145c-4b57-befb-6de6b64abad6._CR0,0,800,600_PT0_SX800__.jpg)
Amazon.com: Logitech Trackman Marble Trackball – Wired USB Ergonomic Mouse for Computers, with 4 Programmable Buttons, Dark Gray : Electronics
![vintage marble mouse the two button type. How do you scroll? I read press both buttons together but... : r/Trackballs vintage marble mouse the two button type. How do you scroll? I read press both buttons together but... : r/Trackballs](https://preview.redd.it/iy8mhqfgshh81.jpg?width=665&format=pjpg&auto=webp&s=3576b9e10368d7105f88e1abcae047a26179ce34)