I fitted the spikes spiders tractions system to my 2006 RRS for our skiing trip to France ( front only as instructed by Land Rover they do there own version twice the price or more just the same ones rebadged ) , you fit the adaptors to the front wheels in about 15 mins then the plastic plates with plastic arms and metal chains just twist and lock into place, not as easy as in the video though, but after a bit of swearing and they were on !!!

Ok in snow but I got a bit fed up watching small hatchbacks screaming past me with winter tyres on whilst the back end of the RRS slides around, RRS with road tyres (cross contacts) are a nightmare in snow believe me and any downward incline and your heart is in your mouth

Apparently they do a proper old fashion snow chain for an RRS now, think it is an XG-12 from Thule, thin links to avoid any contact , I have heard that these are sensibly priced and you can fit them front and back if needed - but really winter tyres all the way for me , if you go skiing you still have to have snow chains in most countries or the police may turn you back or force you to stay put.

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any downward incline and your heart is in your mouth

Did you use HDC at all? I've found it incredible on icy surfaces you can barely stand up on.

However, winter tyres is the way to go if you're going anywhere where they have real winter rather than the ostly warm, wet, but occasionally chilly, stuff we get here.  2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

I took Spikes Spiders (the LR branded ones) to the Alps a couple of years ago. Only fitted them once on my driveway for practising but never needed them during the trip despite driving on ice and deep snow up and down the mountains. That's because I had proper winter tyres instead of summer or all season tyres. LR's clever electrics are great for helping you avoid getting stuck but winter tyres are really needed to help stop a heavy car on slippery surfaces. Current: Volvo XC90 T8 Inscription Pro PHEV with some optionals on top
Gone: MY16 RRS2 3.0 SDV6 Autobiography Dynamic, Carpathian Grey & Santorini Black Sliding Pano/Ebony & Ivory 2 Tone
Gone: MY13 RRS 3.0 SDV6 HSE Black Edition, Orkney Grey/Ivory
Gone: MY09 RRS 2.7 TDV6 HSE, Santorini Black/Almond

HDC is the way to go if you are really in trouble it is fantastic no doubt but the tail back it causes behind you on icy snowy roads makes you not want to do it , you feel like a prat really as you are in a great 4x4 and i mean great 4x4 but with tyres not suitable for the job.

Yes, winter tyres are the way to go. But better feeling a prat for being slow than feeling a bigger prat for crashing...  2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed

Winters are a must for me when visiting the Alps skiing, it doesn't stop the French weapon of choice shoving you up and down the mountain though, usually a Panda 4X4 that weighs the same as a crisp packet while you are trying to wrestle 3 tonnes around the bends on snow & ice

 2003 BMW M5 - 5 Litres of V8 Optimax Slurping Goodness in Carbon Black

2013 SDV6 HSE Black Edition- Orkney Grey with Ebony & Ivory. LR Facelift RAI, Genuine G4 Expedition Rack, 4x Warn SBD-160 Spotlights, Warn 9.5XPS Winch, Mantec Underbody Protection and Sump Guard, Full Easy Lift Suspension Module, LR Light Guards, Light Force HTX230 Hybrid spotlights, 18” Compomotive PD1881 on 265/65/18 BF Goodrich KO2, ARB fridge, TuffTrek awning 😎