I own a set of SkullCandy's Crusher Wireless and I've heard the Kannons. The Kannons are far superior. The Crushers are almost un-listenable with the tactile feature turned on. The Crusher tactile implementation is (relative to the Kannons) low force, low bandwidth, low dynamic range and high distortion from earcup resonance. Terrible, really. So were the first Crushers (wired version). The Kannons, on the other hand, are much more powerful, and have higher bandwidth, higher dynamic range and low resonance distortion. So, while both attempt to add physical vibration to the lowest 2 octaves, the Crushers completely fail and the Kannon's succeed very well.
I have some Sony Pulses as well but haven't compared them yet. Also have 3 pair of different Pioneer earphones that come with tactile transducers on them. I had the old Panasonic back of the neck earphones with vibration, too. Kannons are significantly better than all of these.
The closest I've come to the Kannons with a simple DIY solution is to attach a Lofelt Basslet to each earcup of a relatively light set of headphones (Aiaiai Tracks or Sennheiser HD2.20s). (Basslets are $129 each new, so $260 + headphones, so it's not really much of a money-saving option). Then one must deal with attachment details, resonance/distortion, interference, possible crossover integration, charging and, frankly, it's still a funny looking solution unless I were to dig into the earcups and install the Basslets inside which I'm not planning to do. But even then, this DIY "solution" results in perhaps 60% of the Kannon experience and 0% of the refinement.
If you must have good tactile and don't want to spend $500, the best solution I've found is a Subpac S2 behind a gel pad on my listening easy chair. The Subpac is really very good, even at its lowest levels. But the Subpac solution has more wires and plugs and isn't portable. (Yes their M2 and M2X are portable, but I don't like the hassle and inconvenience of strapping on a vest). So, a tactile enhanced headphone really is the most promising, simplest form factor for visceral bass.
Someday, Taction will make a less expensive version or license their tech to companies that will. Lofelt will license theirs as well. And as the tactile headphone offerings grow, they'll get less expensive and better. But as of today, Taction really has engineered the best tactile-enabled headphones you can buy.