Your pictures are hard to get too.So the following pictures are some of my treads:
https://drive.google.com/open?id=1CfxPbJwvqHNQmZuUoTrF8a4XX1m-_oZR
and this is the close view of the top tread in the above picture
https://drive.google.com/open?id=1CeXPdZqKCNmNVjuuP-ZptbvrSsmaNx_n
https://drive.google.com/open?id=1CfWdrlkDDJbsRNf4uMVxrlqvA24h6rlB
ooh so that's how you get to attachment, thanksYour pictures are hard to get too.
See below go advanced, and then find manage attachments and jump the hoops from there.
Have you spent time figuring where the squeak is coming from.ooh so that's how you get to attachment, thanks