Squeezy stress buster hand grenade Mark Thomas picked this stress buster hand grenade up at the DSEi (Defence and Security Equipment International) exhibition at London Docklands in 2005 (13 - 16 September). He subsequenly used it as a prop in his show 'As Used on the Famous Nelson Mandela' (2006/2007) and also talks about it in his book of the same name 'As Used on the Famous Nelson Mandela' (London: Ebury, 2007). 2005