Cut a fresh pineapple in half lengthwise. Cut those halves in half as well. You can then slice those quarters into wedges.
You can use white rum or gold rum in a pina colada. Depending on the rum you use, your pina colada will be white or have a yellow tint. Another factor in color is whether you use fresh pineapple and ice, or frozen pineapple.
If you must skip the garnishes, don't skip the cocktail umbrellas. There's something about that little umbrella that transports your mind to a tropical sandy beach!
Please keep in mind that a hurricane glass generally holds 16-20 ounces. That's a big glass! So you may find variations in the number of servings you get.
Make sure your blender has ice crushing capabilities. Some less expensive blenders cannot handle this function.