Do you have any percentage estimates for the sweetspot and sourspot?
You mean for a specific move=??? Because in general the percentages for 64, Melee, and Brawl is roughly the same. The only big difference between the 3 is 64 has very little difference between the two (most moves just have universal knockback), Melee has a bit more sweetspots at the end of moves, and Brawl has a lot more sweetspots at the beginning.
Smash 3DS and WiiU as far as I can tell was kind of a combination of the 3. It felt like there were less big differences in sweetspots and sourspots than Melee and Brawl (thus like 64), a lot of specific sweetspots in the beginning of moves (thus like Brawl), and a lot of specific sweetspots at the end of moves (thus like Melee). But regardless, the sourspots were a lot more easy to combo or chain with like Melee than they were with the Brawl roster (barring Meta Knight and maybe a few other characters).
With regards to the "sex kick" idea I feel there may be some issues with it having such initial and late contact properties since Claw attacks such as Bowser's, Mewtwo's, and Charizards are quick sweeping motions that have a fairly short Damage Window. I feel that it is difficult to make a claw swipe have sex kick properties since it is a sweeping motion over a short distance in order to deal damage as opposed to actual sex "kicks" where the kicking leg is left extended for a short period of time. Perhaps the sweetspot and sourspot properties would be more akin to Marth's tippers? Wherein the tip would have good KO power (high damage percentage, knockback) and the inner region would have low damage and knockback so as to be comboable with itself and potentially other aerials.
It could have tipper qualities. I imagine this particular forward air idea to be a longer and slower slash, somewhat similar in animation and effect to Bowser's side B (specifically the Brawl incarnation of it). Granted, it probably wouldn't per say be a tipper like Marth has, but it could function more like Link's sword qualities with tipping and whatnot.
But yeah, Ridley being a good tipper is always good for business, especially since his bill was too big already!
I feel such "Tipper" properties would work better considering it is a claw swipe.
There are a few moves that have sweetspot/sourspot and tipper mechanics. I imagine there would be a knockback, hitstun, and/or damage percentage increase when hitting the blunt of the claw (which would be towards the tip, but maybe not right at it).
Furthermore, while certainly Smash 4 has hitstun enough to make combos possible, if the sourspot is during the second half of the move, I feel that the time it takes for the move to end and for another to be executed at a distance such that the opponent will only be hit by the second half of the move may be too long, even for "untrue" combos to be possible with repeated Fairs.
If the hitstun is what I think it is, due to the lack of smash DI and horizontal (side-to-side) DI, the combo should be pretty close to automatic sometimes.
As for the sourspot at the second half, I would compare it to a combination of Toon Link's back air in Brawl and Fox's back air in Melee (and kinda sorta his Brawl one too). For Fox's back air you can do a lot of chases and with proper timing a lot of chases or combos that stem from landing that move. Toon Link's back air in Brawl does the same thing, except it can combo into itself without landing.
If you combine a bit of both, it could truly have some great use on the back end, and when combined with the front end, it can be a dual purpose move that can at any time be a game changing move a lot like Fox's back air is in Melee. I don't know about the rest of you, but the prospect of that gets me hyped.
Therefore I ask: what are your ideas for the starting and ending lag of this move, and how long is your estimate for the Damage Window (for both Sweet and Sourspot)?
I would imagine the start up lag would be about 5-8 frames and the cooldown lag would be roughly 10-15 frames.
If the move was about 40 frames, I would make the sweetspot super strong and be in the first 5 frames, and I would have the sourspot be in the last 20 frames. As I said, it's fairly similar to various sex kicks. It also is similar to a lot of moves Fox in Melee has in general, which is partially why I like it so much!
But yeah, on top of that, I wouldn't give the most too much priority. If I were in charge of the hitboxes and whatnot, it have the standard priority for standard moves. Maybe in the first 5 frames it would have a bit higher priority, but that would be dependent on how well it KO's and how the game overall functions, specifically when playing as or against Ridley.