I think there should be a feature in Clans that enable Leaders and Co-Leaders to see a list of who in the clan donated what troops to whoever made a request.
A lot of times in Clans people make specific requests and you'll occasionally get people who just donate giants or some silly thing that can take up a lot of space in your CC at the first opportunity of donating just to keep their donations up or to earn XP.
The ability to see who donated what to who, can help weed out these kinds of people.
It's really frustrating when you make a request for a specific troop only for someone donate you useless troops, forcing you to wait 15-20mins to request again.




