I haven’t finished it quite yet, but I do have an idea I’m working on.
Since it’s a schrader valve, I was thinking about using a replacement head, and using some silicone tubing to attach to it. From there I would have the option to hook it up to a blood pressure bulb at home, or hopefully by mouth if I’m out.
Park Tool Pump Rebuild Kit for PFP-3 https://www.amazon.com/dp/B00426GZJS/ref=cm_sw_r_cp_api_i_icaNDb09R2H76
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F352717912682