--- In pes_hall@yahoogroups.com, "antomarki" <antomarki@...> wrote:
>
> Very interesting device to study and to replicate, indeed.
>
> The best way to know if it works is to make it !
>
> p.s: Just hope that Pet-igree is not behind that video. I have no dog
> and I hate beef flavor
>
> Phil,
>
> ;-D
>
Well I did a quick replication using a beer can - did not work,

then tried a stack of sardine cans-no luck either.

Could be that my toothpick bearing was too square.

I will try other combinations.

I hope this is not a practical joke!

Gerhard