[Piledriver]

I use sex toys on my FBs not to improve, but to enhance the fucking.

I like to insert the anal vibrator into her backdoor while my dick is pounding her pussy, and then use another to stimulate her clit. 3 times the effect, 3 times the pleasure, 3 times the squirt and mind-blowing orgasm.

For me its no problem. My dick is powerful enough to make her cum with or without the toys. But if you have a limp willy, then your gal might develop a dependence on the toys if you use them too much.