HN
Hacker News
Top
New
Best
Ask
Show
Jobs
Invisible Bike Helmet | Hacker News Reader
Invisible Bike Helmet
hovding.com
4 points
·
dsr_
·
·
1 comment
Open article
Save
View on HN
edgeman27
·
You will regret forgetting to put it on charge for Monday morning...
Reply on news.ycombinator.com