Clever Machines have a range of tamper evident sealers these can provide a partial sleeve to seal the cap or can be fitted with additional modules that includes a vertical / horizontal sleeve perforation device, allowing easy opening of the sleeve on the cap and the option to provide a decorative sleeve combined with a tamper evident seal.

Images: Clever Machines GS-206  Sleeve Labeller (top), Tamper evident seal (bottom)
Manufacturer: Clever Machines