When I first read the bolded part I thought "NO! You really don't want to shave with a blade down there. If you cut anything down there it could be permanent. Then I noticed that you were referring to your neck when you said down there.
In all honesty, there is a product called Total Shaving Solution that you can use dry with electric razor or wet with hand razor. The oils in the shaving solution condition your skin so that with a sharp razor (very much a key to smooth shaves) you get a very good non irritating shave every...