Without lead, tin plating can grows tin whiskers which can be very sharp pointy things, things that make Toyoda's run away according to my friends at NASA Goodard.
See https://www.eetimes.com/document.asp?doc_id=1264373
And if you remember The Princess and the Pea, a very sensitive person just might feel them.
Bob
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jack Olson
Sent: Thursday, December 06, 2018 10:48 AM
To: [log in to unmask]
Subject: Re: [TN] ESD shoes or barefoot?
On Wed, 5 Dec 2018 08:53:54 -0500, Tom Brendlinger <[log in to unmask]> wrote:
>I wonder which is worse, stepping on a DIP or stepping on a LEGO...
At least they are both lead-free now (smile)