gassor
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Always keep a baseball bat by your front door, in case you suddenly develop an interest in the game. Its also handy for seeing off unwanted intruders.
If you keep a bat ready for any intruders (by the door or under the bed) and use it you can land in hot water with the rozzers. If it just happens to be lying about and you use it for self-defence that is different. Put it in a sports bag by the door and you should be OK unless you use excessive force eg beat them to a pulp while they are unconscious. That's my impression anyway.
https://www.bbc.co.uk/news/uk-19886504