Following a heated online debate on ways to combat groping and similar behaviors on trains, a name stamp-maker on Tuesday released a new product that can be applied to the offender’s hand — leaving the seal mark of an open palm to identify an assailant.

Developer Shachihata Inc., which makes easy-to-use pre-inked seals, hopes the product, priced at ¥2,500 before tax, will help deter the common problem on Japan’s crowded trains.

Unable to view this article?

This could be due to a conflict with your ad-blocking or security software.

Please add japantimes.co.jp and piano.io to your list of allowed sites.

If this does not resolve the issue or you are unable to add the domains to your allowlist, please see out this support page.

We humbly apologize for the inconvenience.

In a time of both misinformation and too much information, quality journalism is more crucial than ever.
By subscribing, you can help us get the story right.