Been there, Done that;

[dwco5051]

 

[BWR1953]

 

[Scott Danforth]

Anyone that makes brake lines and hasn't done this or put the nut on backwards is a liar.

Nice double flare though

 

[Alumarine]

I've done similar things countless times.
Usually when replacing extension cord ends I forget to slide the body on to the cable before I fasten the wires to the spade end.

 

[Grub54891]

I know of what you all speak.^^^

 

[tg3690]

Forgettin to slide the shrink tube on before soldering......