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Take the handle off ( with the square rod too) and put it out of reach of unauthorised persons!
exactly what I was about to suggest.
and if you wanted to maintain the aesthetics, just take the middle bar out and fasten the handle back on.
Old round door knobs tended to use a grub screw to attach to the square rod, so were easy to remove.
That handle design tends to use an internal metal washer held in place with a circlip to keep the handle on the plate, and they're a PITA to get off (and on again).
Ah, you mean remove the whole plate with the handle? That would work (until the kids found a bit of a toy (or something) that fitted the square hole where the rod used to be).I was thinking of just unscrewing the handle from the door, rather than removing it from the plate.
You could always threaten to beat the living daylights out of them if they disobeyed you - it worked for me when I was a kid.
Unfortunately, all the no-drill locking devices I've seen work from the other side of the door.
Would an alarm hung on the inside handle deter them?
How old are you kids, are they getting enough attention and input from you? I would be looking to solve the problem not the symptoms...
If it's a spare room and holds toys, why not make it into an actual playroom for them?
That works for dogs not so sure with little monkeys!When our son was younger we had a similar system to this which prevented him opening the door to a display cabinet. This could be fitted to the top of the door and the frame.
https://www.amazon.co.uk/Yosemy-Cup...Q4BT4AK07PX&psc=1&refRID=XJEWSA6MBQ4BT4AK07PX
Another alternative I've seen used successfully by a friend, depending on the age of the children is to flip the handles, so that instead of pulling down to open the door, the handle needs to be raised.
That works for dogs not so sure with little monkeys!
When our son was younger we had a similar system to this which prevented him opening the door to a display cabinet. This could be fitted to the top of the door and the frame.
https://www.amazon.co.uk/Yosemy-Cup...Q4BT4AK07PX&psc=1&refRID=XJEWSA6MBQ4BT4AK07PX
Another alternative I've seen used successfully by a friend, depending on the age of the children is to flip the handles, so that instead of pulling down to open the door, the handle needs to be raised.
You know I may have a couple of those door closures in the garage. Have to confess totally forgot about them! Question is will they be strong enough...