There’s a wooden feature on the outside of my house, that I can’t reach (even with a ladder). So I was thinking of getting something like https://www.bunnings.com.au/shur-li...VUilyCh1QHw74EAQYAiABEgJ1SfD_BwE&gclsrc=aw.ds and an extension pole to stain it Anyone used something like this, and can...