An Obsessively-Designed Threaded-Cap Rollerball Pen Machined Out of Delrin

For people who take their writing/sketching instruments very seriously, Texas-based Tactile Turn is a manufacturer as obsessed with UX as they are with high manufacturing quality. Their Gist Rollerball Pen, simple though it may look, has been carefully considered and slaved over. "Some people really prefer capped pens over click pens and bolt action pens," the firm writes. "There is a beautiful simplicity to a capped pen. We use an acme thread to keep the cap secure when closed and because...