> Could someone explain to me how a capping spinner works?
> What's the principal behind it?

A picture of my home made spinner.
http://www.algonet.se/~beeman/biodling/ext_3.jpg

Feel free to contact me directly if you have any questions.

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Regards

P-O Gustafsson, Sweden
[log in to unmask]  http://www.algonet.se/~beeman/