Hi,
mine in this moment is just a spring.
is one like this one:
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTbZWwf_KqTXRIqscSkilezbmeGQ9hhAjxqyDQ7plIzmxobhLsw

if you can send some images of the process i will be so thankful.

thanks