UseHammock.co is a platform that automatically analyzes your healthcare expenses and helps you recover eligible money through HSA/FSA reimbursements.

Despite being around since 2019, the brand only started its TikTok activity in 2026, across three accounts, with the co‑founder’s profile being the only one actually generating views.

On @willfromhammock you can see a strategy we’ve seen quite often lately. When the creator asks people to share a personal experience, the comments explode.

“Tell me the most unhinged thing you’ve bought with your HSA/FSA. Not ‘sunscreen’- I mean ‘omg no way.’” → 4.1M views, 9,808 comments

“Tell me your most unhinged hacks to save money on healthcare. Not ‘use GoodRx’ – I mean sneaky $$$.” → 246.9K views, 1,031 comments

And the proof is simple: the moment he switches from pulling stories out of the audience to sharing his own, engagement drops instantly.

“Things a doctor’s note can make HSA/FSA eligible: gym membership, standing desk, massage, mattress, air purifier, Peloton.” → 968.5K views, 494 comments

“I thought I knew how to travel, but someone on my flight said they used their HSA/FSA to pay for their tickets because the trip was to see a specialist — and apparently that’s totally legal.” → 165.9K views, 44 comments