What are winglets, wing fences, and blended winglets?

Google is your friend

you have then name of all three and are able to realize they are similar , but not the definition of any? :unamused:

How many were made like this? :arrow_right:

wtf? Thank God - the wake behind those things is ridiculous! No, seriously - there’s no way it’s worth it to install those on something like that. Sort of like a spoiler on a front wheel drive car I guess…