Those Surly ones work well (although they're expensive). You need to turn the screw the other way, but you say that doesn't do anything. It might be that you have the axle through the wrong hole. The Surly tug requires you to use one of the two holes depending on where in the dropout the axle is. Give that a bash and it might work.
Those Surly ones work well (although they're expensive). You need to turn the screw the other way, but you say that doesn't do anything. It might be that you have the axle through the wrong hole. The Surly tug requires you to use one of the two holes depending on where in the dropout the axle is. Give that a bash and it might work.