As we know, a pair of size 7 (fairly small) gloves were found in cab of Zodiac’s final victim. Obviously, we cannot know if they were left there by the killer deliberately, accidentally or even left there by Zodiac at all. But…

Going though the list of businesses in and around the theatre district in 1969 i found this:

The fact that a company manufacturing Gloves was trading in San Fran about a mile away from where Stine is alleged to have picked up his final ride would be of little significance in and of itself, but the company name is what struck me, Bloch.

The home on Jackson St, 3712, the house that Zodiac was last seen heading toward, was owned at that time by Fred and Helen Bloch.

Could very well be, and probably is, coincidence. But another interesting one none the less.