I've been carrying a Fisher Bullet pen for almost 20 years. I've been through a few because certain pants pockets spit them out so that they are swallowed by omnivorous couches and voracious car interiors. Now I carry mine in the bottom of the zippered leather couch I use as a wallet. (A bad back made me give up on regular wallets in back pockets.)

Regarding the ink globs. I never had a Fisher pen do this until the late 90s, and I think it was a manufacturing issue. I had a few refills do this back then, but none recently. It was slightly annoying.

Besides the pocket-ability, I really appreciate that the refills won't dry up from lack of use. My current EDC pen has a refill made in 2001 and somewhere I have a pen with a refill from 1985. Hard to beat.

Zebra makes a pocket pen (F-301 Compact) that has a plastic body and metal cap, that turns into a full size pen when the cap is posted. Sadly they are hard to find. I gave my father-in-law one a few years ago and he had to order several from Amazon to replace it. The current Amazon price is more than double what I used to pay for a two pack. The cartridge is very small though and runs out of ink quicker because of it.