Attaching lens caps

[andicole0]

Unfortunately my 2 lenses have different sized caps.

How can I attach the cap string to the lens rather than the usual camera point?

Andi.

 

[andicole0]

Duh! just found a lens cap keeper. So never mind.
Andi.

 

[andicole0]

Front and rear only £4.49 for both on Amazon.
Andi.