Cleaning lawnmower

I was wondering how often and how do you clean your lawnmowers from grass?
Do you have ride-on or walk-behind lawnmowers? Do you think it is relevant to clean lawnmowers? I prefer using wood stick, but are there any other methods to do that?
Kind Regards for answering,

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.